DocSpace-buildtools/common/ASC.Core.Common/Data/DbQuotaService.cs

// (c) Copyright Ascensio System SIA 2010-2022
//
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// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

namespace ASC.Core.Data;

[Scope]
class DbQuotaService : IQuotaService
{
    private readonly IDbContextFactory<CoreDbContext> _dbContextFactory;
    private readonly IMapper _mapper;
    public DbQuotaService(IDbContextFactory<CoreDbContext> dbContextManager, IMapper mapper)
    {
        _dbContextFactory = dbContextManager;
        _mapper = mapper;
    }

    public async Task<IEnumerable<TenantQuota>> GetTenantQuotasAsync()
    {
        using var coreDbContext = _dbContextFactory.CreateDbContext();
        return await coreDbContext.Quotas
            .ProjectTo<TenantQuota>(_mapper.ConfigurationProvider)
            .ToListAsync();
    }

    public async Task<TenantQuota> GetTenantQuotaAsync(int id)
    {
        using var coreDbContext = _dbContextFactory.CreateDbContext();
        return await coreDbContext.Quotas
            .Where(r => r.Tenant == id)
            .ProjectTo<TenantQuota>(_mapper.ConfigurationProvider)
            .SingleOrDefaultAsync();
    }

    public async Task<TenantQuota> SaveTenantQuotaAsync(TenantQuota quota)
    {
        ArgumentNullException.ThrowIfNull(quota);

        using var coreDbContext = _dbContextFactory.CreateDbContext();
        await coreDbContext.AddOrUpdateAsync(q => q.Quotas, _mapper.Map<TenantQuota, DbQuota>(quota));
        await coreDbContext.SaveChangesAsync();

        return quota;
    }

    public async Task RemoveTenantQuotaAsync(int id)
    {
        using var coreDbContext = _dbContextFactory.CreateDbContext();

        var quota = await Queries.GetQuotaAsync(coreDbContext, id);

        if (quota != null)
        {
            coreDbContext.Quotas.Remove(quota);
            await coreDbContext.SaveChangesAsync();
        }
    }


    public async Task SetTenantQuotaRowAsync(TenantQuotaRow row, bool exchange)
    {
        ArgumentNullException.ThrowIfNull(row);

        using var coreDbContext = _dbContextFactory.CreateDbContext();
        var dbTenantQuotaRow = _mapper.Map<TenantQuotaRow, DbQuotaRow>(row);
        dbTenantQuotaRow.UserId = row.UserId;

        var exist = await Queries.FindQuotaRowAsync(coreDbContext, dbTenantQuotaRow.Tenant, dbTenantQuotaRow.UserId, dbTenantQuotaRow.Path);
        
        if (exist == null)
        {
            await coreDbContext.QuotaRows.AddAsync(dbTenantQuotaRow);
            await coreDbContext.SaveChangesAsync();
        }
        else
        {
            if (exchange)
            {
                await Queries.UpdateCounterAsync(coreDbContext, row.Tenant, row.UserId, row.Path, row.Counter);
            }
            else
            {
                await coreDbContext.AddOrUpdateAsync(q => q.QuotaRows, dbTenantQuotaRow);
                await coreDbContext.SaveChangesAsync();
            }
        }
    }

    public async Task<IEnumerable<TenantQuotaRow>> FindTenantQuotaRowsAsync(int tenantId)
    {
        return await FindUserQuotaRowsAsync(tenantId, Guid.Empty);
    }

    public async Task<IEnumerable<TenantQuotaRow>> FindUserQuotaRowsAsync(int tenantId, Guid userId)
    {
        using var coreDbContext = _dbContextFactory.CreateDbContext();
        var q = coreDbContext.QuotaRows.Where(r => r.UserId == userId);

        if (tenantId != Tenant.DefaultTenant)
        {
            q = q.Where(r => r.Tenant == tenantId);
        }

        return await q.ProjectTo<TenantQuotaRow>(_mapper.ConfigurationProvider).ToListAsync();
    }
}

file static class Queries
{
    public static readonly Func<CoreDbContext, int, Task<DbQuota>> GetQuotaAsync = Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
    (CoreDbContext ctx, int tenantId) =>
        ctx.Quotas
                 .Where(r => r.Tenant == tenantId)
                 .SingleOrDefault());  
    
    public static readonly Func<CoreDbContext, int, Guid, string, Task<DbQuotaRow>> FindQuotaRowAsync = Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
    (CoreDbContext ctx, int tenantId, Guid userId, string path) =>
        ctx.QuotaRows
            .Find(new object[] { tenantId, userId, path }));  
    
    public static readonly Func<CoreDbContext, int, Guid, string, long, Task<int>> UpdateCounterAsync = Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
    (CoreDbContext ctx, int tenantId, Guid userId, string path, long counter) =>
        ctx.QuotaRows
            .Where(r => r.Path == path 
                && r.Tenant == tenantId 
                && r.UserId == userId)
            .ExecuteUpdate(x => x.SetProperty(p => p.Counter, p => p.Counter + counter))); 
}